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The Sanitary Sewer System
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The Municipality of Bethel Park’s sanitary sewer system is comprised of over 200 miles of sewer system of varying sizes, with the majority being 8” vitrified clay pipe and over 6,000 sanitary manholes. The Bethel Park sewer system is a separate system, meaning it is only meant to convey wastewater, i.e. toilet, shower, laundry, and not stormwater. It is important that sump pumps, downspouts, French drains, or any other systems collecting stormwater do not connect to the sanitary system.
The system is divided into two major sewer sheds with approximately 2/3 of the sewer system draining to the Bethel Park Wastewater Treatment Facility, located in South Park, and the remaining 1/3 drainage to ALCOSAN (Allegheny County Sanitary Authority). These two water sheds are then delineated into nine smaller sub sheds corresponding to their drainage area.
Each year, the Municipality of Bethel Park budgets for projects that are developed to mitigate potential malfunctions within the System. Projects consist of internal and external repairs.